.page-privacy {
  --pv-muted: #46635A;
  --pv-line: #C9DBD3;
  --pv-accent: #0A6B56;
  background-color: var(--sand);
  color: var(--ink);
}

/* 面包屑 */
.page-privacy .breadcrumb,
.page-privacy .breadcrumb__list {
  color: var(--pv-muted);
}
.page-privacy .breadcrumb a {
  color: var(--pv-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--pv-line);
  padding-bottom: 1px;
  transition: color .18s ease, border-color .18s ease;
}
.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--pv-accent);
  border-bottom-color: var(--pv-accent);
}

/* 右侧竖向进度 */
.page-privacy .privacy-progress {
  display: none;
}

/* 页头 */
.page-privacy .privacy-head {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-block: clamp(20px, 3.5vw, 40px) clamp(30px, 5vw, 56px);
}
.page-privacy .page-head__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--pv-accent);
}
.page-privacy .page-head__title {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 5.6vw, 66px);
  line-height: .98;
  letter-spacing: -.02em;
  max-width: 14em;
}
.page-privacy .page-head__lede {
  margin: 18px 0 0;
  max-width: 32em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pv-muted);
}
.page-privacy .privacy-head__visual {
  margin: 0;
  border: 1px solid var(--pv-line);
  background: var(--night);
}
.page-privacy .privacy-head__visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 页头信息条 */
.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--pv-muted);
}
.page-privacy .privacy-meta .mono {
  margin-right: 6px;
  color: var(--pv-accent);
}

/* 信息流向示意 */
.page-privacy .privacy-flow {
  margin: 0 0 clamp(28px, 4vw, 48px);
  padding-top: 18px;
  border-top: 1px solid var(--pv-line);
}
.page-privacy .privacy-flow figcaption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--pv-muted);
}
.page-privacy .privacy-flow svg {
  display: block;
  width: 100%;
  max-width: 480px;
  height: auto;
  margin-top: 12px;
}
.page-privacy .privacy-flow__note {
  margin: 6px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--pv-muted);
}

/* 主体两栏 */
.page-privacy .privacy-body {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

/* 目录 */
.page-privacy .privacy-toc {
  border-top: 1px solid var(--pv-line);
  padding-top: 16px;
}
.page-privacy .privacy-toc__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--pv-muted);
}
.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}
.page-privacy .privacy-toc__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 10px 0;
  font-size: 14px;
  line-height: 1.4;
  color: var(--pv-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--pv-line);
  transition: color .18s ease, border-color .18s ease;
}
.page-privacy .privacy-toc__list li:last-child a {
  border-bottom: none;
}
.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--pv-accent);
}
.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--pv-accent);
}
.page-privacy .privacy-toc__note {
  margin: 16px 0 0;
  max-width: 20em;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--pv-muted);
}
.page-privacy .link-underline {
  color: var(--ink);
  text-decoration-color: var(--pv-accent);
}
.page-privacy .link-underline:hover {
  color: var(--pv-accent);
}

/* 条款 */
.page-privacy .privacy-doc {
  min-width: 0;
}
.page-privacy .pv-section {
  padding-block: clamp(26px, 3.6vw, 44px);
  border-top: 1px solid var(--pv-line);
}
.page-privacy .pv-section:first-child {
  border-top: none;
  padding-top: 0;
}
.page-privacy .pv-section__head {
  display: grid;
  grid-template-columns: 1fr;
  row-gap: 8px;
  align-items: baseline;
}
.page-privacy .pv-section__num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
}
.page-privacy .pv-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-privacy .pv-section__body {
  margin-top: 16px;
  max-width: 31em;
}
.page-privacy .pv-section p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}
.page-privacy .pv-section p:last-child {
  margin-bottom: 0;
}

/* 条款条目 */
.page-privacy .pv-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-privacy .pv-list__item {
  position: relative;
  padding: 11px 0 11px 18px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink);
  border-bottom: 1px solid var(--pv-line);
}
.page-privacy .pv-list__item:last-child {
  border-bottom: none;
}
.page-privacy .pv-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 0;
  background: var(--pv-accent);
  transition: height .18s ease;
}
.page-privacy .pv-list__item:hover::before,
.page-privacy .pv-list__item:focus-within::before {
  height: 1.3em;
}
.page-privacy .pv-list__label {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--pv-accent);
}

/* 页尾引导 */
.page-privacy .privacy-tail {
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: 22px;
  border-top: 2px solid var(--pv-accent);
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pv-muted);
}
.page-privacy .privacy-tail p {
  margin: 0;
}
.page-privacy .privacy-tail a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--pv-accent);
  text-underline-offset: 4px;
  transition: color .18s ease;
}
.page-privacy .privacy-tail a:hover,
.page-privacy .privacy-tail a:focus-visible {
  color: var(--pv-accent);
}

/* 中等屏 */
@media (min-width: 760px) {
  .page-privacy .pv-section__head {
    grid-template-columns: 72px minmax(0, 1fr);
    column-gap: var(--gap);
    row-gap: 0;
  }
  .page-privacy .pv-section__num {
    font-size: clamp(26px, 3.2vw, 36px);
  }
  .page-privacy .pv-section__body {
    margin-left: calc(72px + var(--gap));
  }
}

/* 桌面 */
@media (min-width: 880px) {
  .page-privacy .privacy-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    column-gap: clamp(32px, 5vw, 72px);
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-body {
    grid-template-columns: 190px minmax(0, 1fr);
    column-gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }
  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
  }
}

@media (min-width: 1120px) {
  .page-privacy .privacy-progress {
    display: block;
    position: fixed;
    right: 20px;
    top: calc(var(--topbar-h) + 96px);
    bottom: 96px;
    width: 2px;
    background: var(--pv-line);
    border-radius: 2px;
    z-index: 2;
    pointer-events: none;
  }
  .page-privacy .privacy-progress__bar {
    display: block;
    width: 100%;
    height: 0;
    background: var(--pv-accent);
    border-radius: 2px;
  }
  @supports (animation-timeline: scroll()) {
    .page-privacy .privacy-progress__bar {
      animation: pv-progress linear both;
      animation-timeline: scroll(root block);
    }
  }
}

@keyframes pv-progress {
  from { height: 0; }
  to { height: 100%; }
}
<<<END>>>